Short stories 1 - Ramón

Ramón has just left us for a postdoctoral position in Cambridge (it happens occasionally), but before he departed he discussed his research into using random walks to understand physical systems.

The Emmy Noether & Grace Chisholm Young Fellowships

The London Mathematical Society (LMS) Emmy Noether Fellowships and Grace Chisholm Young Fellowship are now open for applications. The Emmy Noether Fellowships offer grants of between £2,000 and £10,000 per applicant to enhance the mathematical sciences research of holders either re-establishing their research programme after returning from a major break associated with caring responsibilities or requiring support to maintain their research programme while dealing with significant ongoing caring responsibilities.

Quantifying immunosuppressive barriers using a mathematical framework of tumor-associated myeloid cell mediated resistance in oncolytic virotherapy
 Maini, P Mahasa, K Ouifki, R de Pillis, L Eladdadi, A Scientific Reports
Mon, 16 Nov 2026

16:30 - 17:30
L4

TBA

Tobias Barker
(University of Bath)
Abstract

TBA

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Mon, 23 Nov 2026

16:30 - 17:30
L4

TBA

Matthew Schrecker
(University of Bath)
Abstract

TBA

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The mean curvature blows up at nondegenerate neck pinch singularities of Lagrangian mean curvature flow
 Lotay, J Oliveira, G (25 Sep 2026)
Tue, 13 Oct 2026
16:00
L6

A combinatorial approach to the CUE joint moment problem

George Snape
(University of Bristol)
Abstract
The joint moment problem asks to compute the averages of characteristic polynomials and their derivatives of random matrices drawn from one of the classical compact groups. Following the work of Bump and Gamburd (2006) and then Dehaye (2010), we will discuss the role of representation theory in this problem.
We then present recent work of the speaker giving an exact expression for these moments, valid for both finite matrix size and asymptotically. The expressions have a rich combinatorial structure, due to their relation to Kostka numbers and counting integer matrices (magic squares).
Time permitting, we will discuss a proof of a conjecture of Basor et al. (2018) on the connection between this problem and the irregular conformal block expansion of the Painlevé tau function.
Thu, 22 Oct 2026
17:00
L3

Binding group construction in model theory and category theory

Ivan Tomasic
(Queen Mary University, London)
Abstract

The model-theoretic construction of the binding group in the presence of internality has proven to be one of the most important group existence theorems. It saw numerous applications, including those in differential Galois theory, envisaged by Poizat, and pursued by Pillay in his generalisation of the strongly normal theory of Kolchin.

We show how to view the binding group construction as an instance of Janelidze's categorical Galois theory. This allows us to apply it in areas beyond model theory, for example to the scheme-theoretic treatment of Pillay's differential Galois theory.

We will discuss connections with Hrushovski’s work on groupoids.

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